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OpenOS: /lib/package.lua: add support for preload and config (#3447)

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Add basic implementations of package.preload and package.config,
necessary to get the Fennel compiler ( https://fennel-lang.org )
running.
This commit is contained in:
Robert Cochran 2024-04-07 03:16:42 -07:00 committed by GitHub
parent 3b60e93af5
commit dde8337955
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GPG Key ID: B5690EEEBB952194
1 changed files with 13 additions and 0 deletions
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13
src/main/resources/assets/opencomputers/loot/openos/lib/package.lua
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@ -1,9 +1,13 @@
local package = {}
package.config = "/\n;\n?\n!\n-\n"
package.path = "/lib/?.lua;/usr/lib/?.lua;/home/lib/?.lua;./?.lua;/lib/?/init.lua;/usr/lib/?/init.lua;/home/lib/?/init.lua;./?/init.lua"
local loading = {}
local preload = {}
local loaded = {
["_G"] = _G,
["bit32"] = bit32,
@ -15,6 +19,7 @@ local loaded = {
["table"] = table
}
package.loaded = loaded
package.preload = preload
function package.searchpath(name, path, sep, rep)
checkArg(1, name, "string")
@ -46,6 +51,14 @@ function require(module)
checkArg(1, module, "string")
if loaded[module] ~= nil then
return loaded[module]
elseif package.preload[module] then
assert(type(package.preload[module]) == "function", string.format("package.preload for '%s' is not a function", module))
loading[module] = true
local library, status = pcall(package.preload[module], module)
loading[module] = false
assert(library, string.format("module '%s' load failed:\n%s", module, status))
loaded[module] = status
return status
elseif not loading[module] then
local library, status, step